A52.77 Syphilis of bone and joint

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

MS-DRG index

Defines the logic of DRG(s) 539-541 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 095.5 Syphilis of bone (approximate)

Code annotations containing back-references to A52.77

Back-references to A52.77

• Type 1 Excludes: H75.0 Mastoiditis in infectious and parasitic diseases classified elsewhere ("syphilis (A52.77)")
• Type 1 Excludes: M02 Postinfective and reactive arthropathies ("syphilis arthritis (late) (A52.77)")
• Type 1 Excludes: M49 Spondylopathies in diseases classified elsewhere ("spondylitis in syphilis (acquired) (A52.77)")
• Type 1 Excludes: M90 Osteopathies in diseases classified elsewhere ("syphilis (late) (A52.77)")

Back-references to A52

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Diagnosis Index entries for A52.77

• Arthropathy › in (due to) › syphilis (late)
• Arthropathy › postinfectious NEC › in (due to) › syphilis
• Caries › syphilitic
• Dactylitis › syphilitic
• Destruction, destructive › bone › syphilitic
• Exostosis › syphilitic
• Gout, gouty (acute) (attack) (flare) › syphilitic
• Gout, chronic › syphilitic
• Gumma (syphilitic) › bone
• Hydrarthrosis › syphilitic (late)
• Nodule (s), nodular › juxta-articular › syphilitic
• Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) › syphilitic
• Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic) › syphilitic
• Syphilis, syphilitic (acquired) › bone
• Syphilis, syphilitic (acquired) › destruction of bone
• Syphilis, syphilitic (acquired) › fracture
• Syphilis, syphilitic (acquired) › joint (late)
• Syphilis, syphilitic (acquired) › middle ear
• Syphilis, syphilitic (acquired) › osseous (late)
• Syphilis, syphilitic (acquired) › osteoporosis
• Syphilis, syphilitic (acquired) › periosteum (late)
• Syphilis, syphilitic (acquired) › petrous bone (late)
• Syphilis, syphilitic (acquired) › skeletal system
• Syphilis, syphilitic (acquired) › spondylitis

Nearby codes

• A52.72 Syphilis of lung and bronchus
• A52.73 Symptomatic late syphilis of other respiratory organs
• A52.74 Syphilis of liver and other viscera
• A52.75 Syphilis of kidney and ureter
• A52.76 Other genitourinary symptomatic late syphilis
• A52.77 Syphilis of bone and joint (this code)
• A52.78 Syphilis of other musculoskeletal tissue
• A52.79 Other symptomatic late syphilis
• A52.8 Late syphilis, latent
• A52.9 Late syphilis, unspecified